Gernot Rohr previously coached Gabon, Niger and Burkina Faso.
Andre Ayew scored 12 goals in 34 games for Swansea in 2015-16.
Ogenyi Onazi joins Trabzonspor from Lazio 'to clear my head'.
Ghana midfielder Kevin-Prince Boateng joins Las Palmas.
Jorge Costa had been in charge of Gabon since 2014.
Chelsea winger Mohamed Salah signs for Roma on permanent deal.
Idrissa Gueye has won 32 caps for Senegal.
Mamelodi Sundowns reach the Champions League semi-final
Champions Etoile du Sahel and Medeama of Ghana secured victories.
Kolo Toure has been in Glasgow for a medical.
GROUP J
Match 69
Day 17
Algeria vs Austria 3:3
Goals Algeria
R. Belghali (45')
R. Mahrez (60', 90'+3)
Goals Austria
M. Arnautović (28')
M. Sabitzer (55')
S. Kalajdžić (90'+6)
Algeria
Austria